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Finding the Fourth Proportional to 365.84, 548.60 and 134.66

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Solution

The fourth proportional to 365.84, 548.60 and 134.66 is: 201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.84 : 548.60 = 134.66 : x
  2. Step 2: Convert to fraction form
    365.84/548.60 = 134.66/x
  3. Step 3: Cross multiply
    365.84x = 548.60 × 134.66
  4. Step 4: Simplify right side
    365.84x = 73,874.48
  5. Step 5: Solve for x
    x = 73,874.48/365.84
  6. Step 6: Final answer
    x = 201.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.